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|
%{
/******************************************************************************
*
* Module Name: dtcompilerparser.y - Bison input file for table compiler parser
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2025, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include "aslcompiler.h"
#define _COMPONENT DT_COMPILER
ACPI_MODULE_NAME ("dtcompilerparser")
void * AslLocalAllocate (unsigned int Size);
/* Bison/yacc configuration */
#undef alloca
#define alloca AslLocalAllocate
int DtCompilerParserlex (void);
int DtCompilerParserparse (void);
void DtCompilerParsererror (char const *msg);
extern char *DtCompilerParsertext;
extern DT_FIELD *AslGbl_CurrentField;
extern int DtLabelByteOffset;
extern UINT64 DtCompilerParserlineno; /* Current line number */
extern UINT32 DtTokenFirstLine;
extern UINT32 DtTokenFirstColumn;
/* Bison/yacc configuration */
#define yytname DtCompilerParsername
#define YYDEBUG 1 /* Enable debug output */
#define YYERROR_VERBOSE 1 /* Verbose error messages */
#define YYFLAG -32768
/* Define YYMALLOC/YYFREE to prevent redefinition errors */
#define YYMALLOC malloc
#define YYFREE free
%}
%union {
char *s;
DT_FIELD *f;
DT_TABLE_UNIT *u;
}
%type <f> Table
%token <u> DT_PARSEOP_DATA
%token <u> DT_PARSEOP_LABEL
%token <u> DT_PARSEOP_STRING_DATA
%token <u> DT_PARSEOP_LINE_CONTINUATION
%type <u> Data
%type <u> Datum
%type <u> MultiLineData
%type <u> MultiLineDataList
%%
Table
:
FieldList { }
;
FieldList
: Field FieldList
| Field
;
Field
: DT_PARSEOP_LABEL ':' Data { DtCreateField ($1, $3, DtLabelByteOffset); }
;
Data
: MultiLineDataList { $$ = $1; }
| Datum { $$ = $1; }
| Datum MultiLineDataList { $$ = $1; } /* combine the string with strcat */
;
MultiLineDataList
: MultiLineDataList MultiLineData { $$ = DtCreateTableUnit (AcpiUtStrcat(AcpiUtStrcat($1->Value, " "), $2->Value), $1->Line, $1->Column); } /* combine the strings with strcat */
| MultiLineData { $$ = $1; }
;
MultiLineData
: DT_PARSEOP_LINE_CONTINUATION Datum { DbgPrint (ASL_PARSE_OUTPUT, "line continuation detected\n"); $$ = $2; }
;
Datum
: DT_PARSEOP_DATA {
DbgPrint (ASL_PARSE_OUTPUT, "parser data: [%s]\n", DtCompilerParserlval.s);
$$ = DtCreateTableUnit (AcpiUtStrdup(DtCompilerParserlval.s), DtTokenFirstLine, DtTokenFirstColumn);
}
| DT_PARSEOP_STRING_DATA {
DbgPrint (ASL_PARSE_OUTPUT, "parser string data: [%s]\n", DtCompilerParserlval.s);
$$ = DtCreateTableUnit (AcpiUtStrdup(DtCompilerParserlval.s), DtTokenFirstLine, DtTokenFirstColumn);
}
;
%%
/*
* Local support functions, including parser entry point
*/
/******************************************************************************
*
* FUNCTION: DtCompilerParsererror
*
* PARAMETERS: Message - Parser-generated error message
*
* RETURN: None
*
* DESCRIPTION: Handler for parser errors
*
*****************************************************************************/
void
DtCompilerParsererror (
char const *Message)
{
DtError (ASL_ERROR, ASL_MSG_SYNTAX,
AslGbl_CurrentField, (char *) Message);
}
int
DtCompilerParserwrap(void)
{
return (1);
}
|
